Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836314 | Optical device and display apparatus having a plate-shaped light guide and an optical control surface thereon | Shiro Suyama, Kinya Kato, Kazutake Uehira | 2004-12-28 |
| 6819393 | Optical device and display apparatus using light diffraction and light guide | Shiro Suyama, Kinya Kato, Kazutake Uehira | 2004-11-16 |
| 6714174 | Optical device and three-dimensional display device | Shiro Suyama, Shigeto Kohda, Kinya Kato, Shigenobu Sakai | 2004-03-30 |